﻿/**
 * 通用js方法封装处理
 * Copyright (c) 2019 sinosoft
 */

const baseURL = process.env.VUE_APP_BASE_API

// 日期格式化
export function parseTime(time, pattern) {
	if (arguments.length === 0 || !time) {
		return null
	}
	const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
	let date
	if (typeof time === 'object') {
		date = time
	} else {
		if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
			time = parseInt(time)
		} else if (typeof time === 'string') {
			time = time.replace(new RegExp(/-/gm), '/');
		}
		if ((typeof time === 'number') && (time.toString().length === 10)) {
			time = time * 1000
		}
		date = new Date(time)
	}
	const formatObj = {
		y: date.getFullYear(),
		m: date.getMonth() + 1,
		d: date.getDate(),
		h: date.getHours(),
		i: date.getMinutes(),
		s: date.getSeconds(),
		a: date.getDay()
	}
	const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
		let value = formatObj[key]
		// Note: getDay() returns 0 on Sunday
		if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
		if (result.length > 0 && value < 10) {
			value = '0' + value
		}
		return value || 0
	})
	return time_str
}

// 表单重置
export function resetForm(refName) {
	if (this.$refs[refName]) {
		this.$refs[refName].resetFields();
	}
}

// 添加日期范围
export function addDateRange(params, dateRange, propName) {
	var search = params;
	search.params = {};
	if (null != dateRange && '' != dateRange) {
		if (typeof(propName) === "undefined") {
			search.params["beginTime"] = dateRange[0];
			search.params["endTime"] = dateRange[1];
		} else {
			search.params["begin" + propName] = dateRange[0];
			search.params["end" + propName] = dateRange[1];
		}
	}
	return search;
}

// 回显数据字典
export function selectDictLabel(datas, value) {
	var actions = [];
	Object.keys(datas).some((key) => {
		if (datas[key].dictValue == ('' + value)) {
			actions.push(datas[key].dictLabel);
			return true;
		}
	})
	return actions.join('');
}

// 回显数据字典（字符串数组）
export function selectDictLabels(datas, value, separator) {
	var actions = [];
	var currentSeparator = undefined === separator ? "," : separator;
	var temp = value.split(currentSeparator);
	Object.keys(value.split(currentSeparator)).some((val) => {
        Object.keys(datas).some((key) => {
            if (datas[key].dictValue == ('' + temp[val])) {
				actions.push(datas[key].dictLabel + currentSeparator);
			}
		})
	})
	return actions.join('').substring(0, actions.join('').length - 1);
}

// 通用下载方法
export function download(fileName) {
	window.location.href = baseURL + "/common/download?fileName=" + encodeURI(fileName) + "&delete=" + true;
}

// 字符串格式化(%s )
export function sprintf(str) {
	var args = arguments, flag = true, i = 1;
	str = str.replace(/%s/g, function () {
		var arg = args[i++];
		if (typeof arg === 'undefined') {
			flag = false;
			return '';
		}
		return arg;
	});
	return flag ? str : '';
}

// 转换字符串，undefined,null等转化为""
export function praseStrEmpty(str) {
	if (!str || str == "undefined" || str == "null") {
		return "";
	}
	return str;
}

/**
 * 构造树型结构数据
 * @param {*} data 数据源
 * @param {*} id id字段 默认 'id'
 * @param {*} parentId 父节点字段 默认 'parentId'
 * @param {*} children 孩子节点字段 默认 'children'
 */
export function handleTree(data, id, parentId, children) {
	let config = {
		id: id || 'id',
		parentId: parentId || 'parentId',
		childrenList: children || 'children'
	};

	var childrenListMap = {};
	var nodeIds = {};
	var tree = [];

	for (let d of data) {
		let parentId = d[config.parentId];
		if (childrenListMap[parentId] == null) {
			childrenListMap[parentId] = [];
		}
		nodeIds[d[config.id]] = d;
		childrenListMap[parentId].push(d);
	}

	for (let d of data) {
		let parentId = d[config.parentId];
		if (nodeIds[parentId] == null) {
			tree.push(d);
		}
	}

	for (let t of tree) {
		adaptToChildrenList(t);
	}

	function adaptToChildrenList(o) {
		if (childrenListMap[o[config.id]] !== null) {
			o[config.childrenList] = childrenListMap[o[config.id]];
		}
		if (o[config.childrenList]) {
			for (let c of o[config.childrenList]) {
				adaptToChildrenList(c);
			}
		}
	}
	return tree;
}

/**
* 参数处理
* @param {*} params  参数
*/
export function tansParams(params) {
	let result = ''
	Object.keys(params).forEach((key) => {
		if (!Object.is(params[key], undefined) && !Object.is(params[key], null) && !Object.is(JSON.stringify(params[key]), '{}')) {
			result += encodeURIComponent(key) + '=' + encodeURIComponent(params[key]) + '&'
		}
	})
	return result
}

/**
* 页面增加水印
* @param {*} settings  设置信息
*/
export function watermark(settings) {
	debugger;
	//默认设置
	var defaultSettings={
		watermark_txt:"text",
		watermark_x:20,//水印起始位置x轴坐标
		watermark_y:20,//水印起始位置Y轴坐标
		watermark_rows:5,//水印行数
		watermark_cols:10,//水印列数
		watermark_x_space:100,//水印x轴间隔
		watermark_y_space:100,//水印y轴间隔
		watermark_color:'#aaa',//水印字体颜色
		watermark_alpha:0.4,//水印透明度
		watermark_fontsize:'15px',//水印字体大小
		watermark_font:'微软雅黑',//水印字体
		watermark_width:210,//水印宽度
		watermark_height:80,//水印长度
		watermark_angle:15//水印倾斜度数
	};
	//采用配置项替换默认值，作用类似jquery.extend
	if(arguments.length===1&&typeof arguments[0] ==="object" )
	{
		var src=arguments[0]||{};
		for(var keyS in src)
		{
			if(src[keyS]&&defaultSettings[keyS]&&src[keyS]===defaultSettings[keyS])
				continue;
			else if(src[keyS])
				defaultSettings[keyS]=src[keyS];
		}
	}
   
	var oTemp = document.createDocumentFragment();
   
	//获取页面最大宽度
	var page_width = Math.max(document.body.scrollWidth,document.body.clientWidth);
	var cutWidth = page_width*0.0150;
	var page_width=page_width-cutWidth;
	//获取页面最大高度
	var page_height = Math.max(document.body.scrollHeight,document.body.clientHeight)+650;
	// var page_height = document.body.scrollHeight+document.body.scrollTop;
	//如果将水印列数设置为0，或水印列数设置过大，超过页面最大宽度，则重新计算水印列数和水印x轴间隔
	if (defaultSettings.watermark_cols == 0 || (parseInt(defaultSettings.watermark_x + defaultSettings.watermark_width *defaultSettings.watermark_cols + defaultSettings.watermark_x_space * (defaultSettings.watermark_cols - 1)) > page_width)) {
		defaultSettings.watermark_cols = parseInt((page_width-defaultSettings.watermark_x+defaultSettings.watermark_x_space) / (defaultSettings.watermark_width + defaultSettings.watermark_x_space) - 1);
		defaultSettings.watermark_x_space = parseInt((page_width - defaultSettings.watermark_x - defaultSettings.watermark_width * defaultSettings.watermark_cols) / (defaultSettings.watermark_cols - 1) - 10);
	}
	//如果将水印行数设置为0，或水印行数设置过大，超过页面最大长度，则重新计算水印行数和水印y轴间隔
	if (defaultSettings.watermark_rows == 0 || (parseInt(defaultSettings.watermark_y + defaultSettings.watermark_height * defaultSettings.watermark_rows + defaultSettings.watermark_y_space * (defaultSettings.watermark_rows - 1)) > page_height)) {
		defaultSettings.watermark_rows = parseInt((defaultSettings.watermark_y_space + page_height - defaultSettings.watermark_y) / (defaultSettings.watermark_height + defaultSettings.watermark_y_space));
		defaultSettings.watermark_y_space = parseInt(((page_height - defaultSettings.watermark_y) - defaultSettings.watermark_height * defaultSettings.watermark_rows) / (defaultSettings.watermark_rows - 1));
	}
	var x;
	var y;
	for (var i = 0; i < defaultSettings.watermark_rows; i++) {
		y = defaultSettings.watermark_y + (defaultSettings.watermark_y_space + defaultSettings.watermark_height) * i;
		for (var j = 0; j < defaultSettings.watermark_cols; j++) {
			x = defaultSettings.watermark_x + (defaultSettings.watermark_width + defaultSettings.watermark_x_space) * j;
   
			var mask_div = document.createElement('div');
			mask_div.id = 'mask_div' + i + j;
			mask_div.className = 'mask_div';
			mask_div.appendChild(document.createTextNode(defaultSettings.watermark_txt));
			//设置水印div倾斜显示
			mask_div.style.webkitTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
			mask_div.style.MozTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
			mask_div.style.msTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
			mask_div.style.OTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
			mask_div.style.transform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
			mask_div.style.visibility = "";
			mask_div.style.position = "absolute";
			mask_div.style.left = x + 'px';
			mask_div.style.top = y + 'px';
			mask_div.style.overflow = "hidden";
			mask_div.style.zIndex = "9999";
			mask_div.style.pointerEvents='none';//pointer-events:none  让水印不遮挡页面的点击事件
			//mask_div.style.border="solid #eee 1px";
			mask_div.style.opacity = defaultSettings.watermark_alpha;
			mask_div.style.fontSize = defaultSettings.watermark_fontsize;
			mask_div.style.fontFamily = defaultSettings.watermark_font;
			mask_div.style.color = defaultSettings.watermark_color;
			mask_div.style.textAlign = "center";
			mask_div.style.width = defaultSettings.watermark_width + 'px';
			mask_div.style.height = defaultSettings.watermark_height + 'px';
			mask_div.style.display = "block";
			oTemp.appendChild(mask_div);
		};
	};
	document.body.appendChild(oTemp);
  }